Now that Kimmel has been suspended over comments about Charlie Kirk, Trump wants to go even further. He suggested revoking ...

Warm-Up: Consider a four-letter alphabet A, B, C, I. Here are the target strings: CBI, CCC, and BIAI. Here are the non-target ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

In the decades leading up to the Civil War, enslaved people who traveled to freedom on foot did so mainly from Southern states that bordered free states. But those in the deep South didn’t have that ...